S-Word Vocabulary Definitions

Saan Dairy goat.
sabadilla. C. A. Poisonous seeds used in insecticides.
Sabbat. The witches' Sabbath.
Sabbatarian. 1. Seventh-Day Adventist. 2. One who believes in strict observance of the Sabbath.
sabin. Absorption by one square foot of an acoustic absorber that absorbs all incident sound.
sabot. 1. Wooden shoe. 2. Sandal with leather strap.
sabra. Native-born Israeli.
sacaton. S. W. grass (hay).
saccate. Sac-shaped, or possessing a pouch.
sachem. 1. Indian chief. 2. Tammany high official.
sacher torte. A rich chocolate-iced chocolate cake filled with jam.
sack. Light, dry, strong Spanish wines.
sackbut 1. Medieval trombone. 2. A triangular stringed instrument.
sacral. sacred.
sacral. Pertaining to the sacrum.
sacrarium. 1. The sanctuary or sacristy (room housing sacred vessels) of a church. 2. A piscina (Stone basin for ablutions).
sacristan. 1. Person in charge of a sacristy. 2. A sexton.
sacrum. A triangular bone made up of five fused vertebrae.
sadhu. Ascetic Indian holy man.
sadiron. Heavy flatiron with both ends pointed and a removable handle.
saffron. 1. Strong orange-yellow to moderate orange. 2. The dried stigmas of the saffron plant used as a spice and a dye.
safranine. Phenazine dyes.
sagamore. Subordinate chief.
sagger. 1. A protective coating of fire clay in which delicate articles are fired. 2. Clay used to make ceramic casings.
sagittal. Relating to the suture uniting the two parietal bones.
sagittal plane. The plane that divides a bilaterally symmetric organism.
sagittate. Shaped like an arrowhead.
sago. Starch from the sago palm. Food thickener and starch.
Sahel. A steppe or savannah that borders a desert.
saiga. Eurasian antelope - (oribi, sassaby, sambar, serow).
sainfoln. Eurasian fodder.
Saint Agnes' Eve. Night of January 20th, when a woman will dream of her future husband.
Saint Anthony's cross.  Tau cross.
Saiva. Shiva cult member.
saker. Eurasian falcon.
salad days. Days of youth and innocence.
sal ammoniac. Ammonium chloride.
salep. Starchy ground orchid roots, used as a medicine.
saleratus. Baking soda.
Salesian. Catholic: Dedicated to education and missionary work.
salic. Igneous rocks, such as quartz and feldspar, containing large amounts of silica and alumina.
salicin. Analgesic made from poplar and willow bark (aspirin).
salina. 1. Salt marsh. 2. Salt-encrusted land (salt lick?) (chott).
sallet. Light medieval helmet with a brim flaring in back, sometimes fitted with a visor.
sally lunn. Somewhat sweet bread leavened with yeast (after Sally Lunn, 18th C, baker).
salmagundi. 1. Chopped meat, anchovies, eggs, and onions, often in rows on lettuce, served with vinegar and oil dressing. 2. A potpourri.
salmi. Roasted game birds, highly spiced, minced and stewed in wine.
salmanoid. Includes salmon, trout, and whitefish.
saloop. Made from sassafras, salep, etc.
salp. Free-swimming chordates. Flattened, translucent, keg-like body.
salpinx. 1. The Fallopian tube. 2. The Eustachian tube.
salsa. S. A. dance.
salsify. European. Edible plant root.
saltation. 1. Leaping, jumping or dancing. 2. Discontinuous. 3. Mutation.
saltern. Salt-works.
saltire. An ordinary in the shape of St. Andrews cross, formed by the crossing of a bend and a bend sinister.
saltwort. Grows on sandy seashores.
saluki. Tall, slender Egyptian/Arabian dog with smooth, silky hair. (after Saluq, an ancient Arabian city).
salutatory. An opening or welcoming address.
salvable. Salvageable.
samara. Winged, one-seeded fruit that does not split open - (a maple spinner).
samarskite. Velvet-black rare earth ore with red-brown streaks - Calvin Samarsky.
sambar. Large S. E. Asian deer; sassaby, saiga, serow.
samisen. Banjo-like Japanese 3-stringed instrument.
samite. Heavy silk fabric, often with silver or gold interwoven (Middle Ages).
samizdat. An underground press (after Soviet-banned literature).
samlet. Young salmon - (parr).
samp. Coarse hominy.
samphire. 1. The glasswort. 2. Coastal Old World plant (St. Peter's wort).
samsara. The eternal cycle of birth suffering, death, and rebirth.
sanbenito. Sackcloth worn at an auto da fê, yellow with red crosses if penitent, black with painted flames and devils if impenitent.
Sanctus.. A hymn of praise sung at the end of the Preface in many Eucharistic liturgies.
sandarac. African tree yielding a brittle resin used in varnishes.
sandbox tree. C. A. tree with woody capsules that explode when ripe. (Used to hold sand for drying ink.)
sand crack. Fissure in side of horse's hoof often causing lameness.
sanderling. Small shore bird.
sand flea. Small crustacean.
sandhi. Difference in pronunciation of the in the house and in the other house is an example of sandhi.
sand lance. Slender body, burrows into sand.
sandwich board. Wears sign
sandwich man. The man who wears a sandwich board.
sangaree. Sweet, chilled, nutmeg-flavored wine.
sangfroid. Imperturbability.
sanguineria. Bloodroot - stanches blood.
sanguineous. Bloody.
singuinolent. Mixed with blood.
sanicle. Has astringent properties - Gr.: sanus, (healthy).
sanies. Thin, fetid, greenish fluid (serum and pus) discharged from a wound.
San Jose scale. Destructive scale insect.
Sankhya. Hindu: dualism involving the soul and potential matter.
sannup. Married Amerind male.
sansculotte. French Revolutionary extremist - sans culotte: without breeches.
sansel. U. S.-born grandchild of Japanese immigrants - Ja.: san, (3rd) + sel, (generation)
sansevieria. House plant (after San Seviero, Italy)
Sanskrit. Hindu written language.
santonica. Wormwood yielding anti-helminthic.
sap. 1. A tunnel dug beneath enemy fortifications. 2. To sap of strength.
sapajou. Capuchin monkey - (kinkajou).
saphena. The two large superficial veins of the leg.
sapodilla. 1. Latex yields chicle. 2. Yields edible fruit.
saponite. Soap-like mass in the cavities of certain rocks, such as diabase.
sapor. Flavor.
sapid. Yummy!
sapota. Sapodilla.
sappanwood .Red dye.
sapper. One who digs tunnels.
sapphirine. Resembling a sapphire. Light blue or green.
sapremia. Septicemia.
saprobe. Eats dead organic material - Gr.: sapro, (putrefaction).
saprolite. Clay or silt remaining at site of disintegration.
sapropel. 1. An aquatic sludge rich in organic matter. 2. A fluid slime found in swamps as a product of putrefaction. - Gr.: pelus, (mud).
saprozoic. Eats dissolved organic and inorganic material. (zoophagus).
sapsego. Hard skim-milk cheese.
sapsucker. Woodpecker that eats sap.
Saratoga trunk. Large travelling trunk with rounded top (after Saratoga Springs, N.Y.).
sarcenet. A fine, soft silk cloth.
sarco-. Flesh, striated muscle.
sarcocarp. The fleshy pulp surrounding the seed of a drupaceous fruit.
sarcoid. Pertaining to flesh - Gr.: sarcoous, (flesh).
sarcolemma. A thin membrane surrounding striated muscle fiber.
sarcoidosis. Granulomatous lesions in the liver, lungs, skin, and lymph nodes.
sarcomere. A structural unit of a striated muscle fiber.
sarcophagic. Carnivorous.
sarcoplasm. The cytoplasm of muscle cells.
sarcoptic mange. Mite-induced mange.
sarcous. Pertaining to flesh or muscle.
sard Clear or translucent deep orange-red or brownish-red chalcedony. - from Sardis.
sardonyx. An onyx alternating brown and white bands of sard.
sargassum. Gulfweed.
sarmentose. Having slender, prostrate stems that root at intervals (strawberry).
sashami. Very thin slices of raw fish.
saskatoon. Shrub.
sassaby. African antelope.
Sassanid. Persian rulers from 3rd to 17th C. A. D.
sassy. African poison tree
sastruga. Wind-formed long, wave-like ridge of snow formed on the polar plains.
sateen. Cotton fabric with satin-like finish.
Satem. Indo-Iranian to Balto-Slavic languages in which original velar stops become fricatives (s goes to k) and labiovelar stops become velars (k goes to kh).
satinpod. Honesty.
satin stitch. Hard to spot. Gives solid, satinlike finish.
satin weave. No twill line is distinguishable.
satinwood. Hard, yellowish, close-grained wood.
saturnid. Moth.
Satyagraha. Gandhi's policy of non-violent resistance.
sauce Bearnaise. Like Hollendaise (butter, egg yolks, and lemon or vinegar), only with tarragon, shallots, and chervil.
sauger. Fish.
saurel. 1. Marine fish. 2. Jack mackerel.
saurian. Includes true lizards.
sauropods. Extinct dinosaurs.
saury. Like needlefish - Gr.: sauros, (lizard).
savin. Yields medicinal oil.
Savoyard. Gilbert and Sullivan admirer (from Savoy Theater).
saw set. Gives set to the teeth of a saw.
sawyer. 1. One who saws. 2. Wood-boring larvae of longicorn beetles.
saxicolous. Growing on or living among rocks - Lat.: saxum, (rock).
saxitile. Saxicolous.
saxhorn. Valved, resembles bugle - valved bugle, with "wide compass".
saxitoxin. Causes red tide.
saxony. High grade wool fabric; fine soft woolen fabric like a tweed.
saxtuba. A large bass saxhorn.
sayyad. Title of respect for Islamic dignitary - mufti.
scabies. Caused by mites (contagious).
scabious. Pertaining to scabies.
scabious. Plant.
scabrous. 1. Rough, scaly. 2. Difficult to handle. 3. Salacious.
scad. Related to jacks and pompanos - saurel, carangids, scombroids.
scag. Heroin.
scagiola. Plasterwork in imitation of ornamental marble, consisting of ground gypsum and glue colored with marble dust - terrazo.
scalade. An escalade.
scalare. The angelfish.
scalariform. Having rungs.
scall. Scaly eruption of the skin or scalp.
scallion.. A young onion before the enlargement of the bulb.
scammony. Mediterranean. Roots used as a cathartic.
scandient. Climbing (A scandient vine.).
scandia. Scandium oxide.
scansion. The analysis of verse into metrical patterns.
scansorial. Adapted for climbing. - partorial, cursorial, insessorial, passerine.
.scantling. 1. Small piece of timber (upright in frame of house). 2. Dimensions of building materials, particularly breadth and thickness. 3. A very small amount.
scape. 1. A leafless flower stalk. 2. stalk-like part. 3. The shaft of a column.
scaphoid. 1. Boat-shaped. 2. The navicular (comma-shaped wrist-bone, concave bone in front of anklebone). - Gr.: skaphe, (boot).
scapolite. Fluorescent, prismatic silicates - Gr.: scapus, (stalk)
scapula. Triangular shoulder bones.
scapular. 1. A monk's sleeveless outer garment that sometimes has a hood. 2. Badge worn by members of certain religious orders that consists of two pieces of cloth worn about the shoulders. 3. Bird's shoulder feather.
scarabaeid. Includes June bugs and dung beetles - scarabaeid.
scarabiasis. Dung beetle infestation of the intestines.
scarf. 1. A joint made notching the ends of two timbers and strapping them together to make one continuous piece.
scarfskin. The epidermis or outermost layer of skin.
scarify. To scare.
scarify. 1. To make vaccination incisions in the skin. 2. To break up topsoil. 3. To criticize severely. 4. To slit the outer coats of seeds to hasten germination.
scarious. Thin, membranous, and dry. - (scarious bracts).
scarlatina. Scarlet fever.
Scarlet pimpernel. Pimpernel (Flowers close in bad weather).
scat. Jazz singing.
scat. Excremental droppings.
scatty. Crazy, foolish.
scaup. Diving ducks Probably from Sc.: scalp: bed of mussels.
schadenfreude. Deriving pleasure from others' misfortunes.
schav. Chilled soup with sorrel, onions, lemon juice, eggs, sugar, and sour cream.
scheelite. Calcium tungstate - from Carl Scheel.
scherzando. In a light, playful manner.
sherzo. A lively movement, in ¾ time.
schiller. Lustrous, almost metallic reflection from certain planes of a mineral grain.
schipperke. Small Belgian dog, with long, dense, black hair - "skipper" - boat dog.
schist. Flaky parallel layers of chiefly micaceous minerals - Gr.: skhistos, (split).
schistosome. Trematode worms parasitic in the blood of mammals.
schizocarp. A seed that splits into two or more closed single-seed carpels, as in the carrot or mallow.
schizogenesis. Reproduction by fission.
schizogony. Reproduction by multiple asexual fission, as with many sporozoans.
schizomycete. Includes bacteria.
schizomycosis. Bacterial infection.
schizont. Produced by schizogony.
schizophyte. Simple colonial organisms, including bacteria, that reproduce asexually.
schizopod. Shrimp-like crustaceans.
schizothymia. Schizoid behavior that resembles schizophrenia in the tendency toward autistic thinking but remains within normal limits - cyclothemia.
schlemiel. Habitual bungler, dolt.
schlep. To carry clumsily or with difficulty.
schlieren. 1. Irregular tabular bodies occurring as essential components of plutonic rock but differing in texture or composition. 2. Regions of a transparent medium that exhibit densities different from that of the bulk of the medium.
schlimazel. An habitual failure.
schlock. Merchandise of meretricious or inferior quality.
schmeer. 1. "The whole schmeer. 2. A bribe.
schmoose. To chat idly.
schmuck. Clumsy or stupid.
schnitzel. A thin veal cutlet fried in butter.
schnook. Stupid or easily victimized dupe.
schnorrer. Parasite, sorner.
scholiast. One of the ancient commentators who annotated the classical authors.
schorl. Tourmaline, esp. black tourmaline.
schottische. A round dance in ¾ time. - scherzo.
schuss. Fast straight line in skiing.
schussboomer. Very proficient schusser.  
schwa. A vowel sound, like "a" in alone or "e" in linen, that in English often appears unstressed.
Schwann cell. One of the cells of the neurilemma (outer covering of a nerve fiber).
sciatic. Pertaining to the ischium. 2. Pertaining to sciatica.
sciatic nerve. Originating the sacral pelvis and running down through the upper leg.
scilicet. Namely. "That is to say", after seire licet "It is permitted to know". (videlicet: "it is permitted to see".).
scintiscan. 2-D image from a radioisotope scan.
sciolism. A pretentious attitude of scholarship, superficial knowledgeability.
scire facias. 1. A writ requiring the recipient to appear and show just cause why a judicial record should not be enforced, repealed, or annulled. 2. A judicial proceeding under a scire facias.
scirrhus. Hard cancerous growth associated with connective tissue - Pr.: "skee-re-eus".
scissile. Easily split.
sclaff. To dig a divot (hit the ground).
sclera. Tough, white, fibrous outer envelope covering the eye except for the cornea.
sclereid. A thick-walled, lignified sclerenchyma cell - Pr.: "skleer-ee-id"
schlerenchyma . Supportive/protective plant cell, usually lignified.
sclerite. One of the hard outer plates of an arthropod, esp. an insect.
Scleroid. Indurated.
scleroma. Abnormally hard patch of bodily tissue.
sclerometer. measures hardness by measuring the pressure required on a standard diamond stylus to achieve penetration.
sclerotium. A dense mass of branching filaments or hyphae in fungi containing stored food and capable of remaining dormant for long periods.
sclerotization. Cross-linking of chitin protein molecules to harden an insect's shell.
scolopendrid. Includes centipedes.
scombroid. Includes mackerels.
scopula. Dense, brush-like tuft of hairs in some insects.
scoria. 1. Rough fragments of burnt, crusty lava. 2. Slag.
scorify. To separate an ore into scoria and a precious metal.
scorpaenoid. Scorpion fishes and rockfishes - sculpin.
scot. Money that is assessed or paid.
scot and tot. Municipal tax formerly levied in Great Britain according to the ability to pay - ("to pay scot and tot" - to pay full tax).
Scotch verdict. An inconclusive judgement.
Scotch woodcock. Scrambled eggs on toast with anchovies.
scoter. Diving ducks.
scotobiotic. Capable thriving in darkness - scoto, (darkness).
scotoma. An area of pathologically diminished vision within the visual field.
scotopia. Night-adaptive vision.
scouring rush. Horsetail.
scourings. Refuse left after scouring grain.
scouse. Lobscouse (seaman's stew: meat, vegetables and hardtack).
scleroprotein. A large class of proteins found in skeletal and connective tissue.
scrag. 1. Bony or scrawny person. 2. Lean or bony meat (neck of mutton). 3. The human neck.
scrapie. A usually fatal viral sheep disease.
scrapple. Pork scrap and cornmeal mush, hardened and fried.
scratch hit. Not squarely hit or cleanly fielded.
scratch line. 1. Starting line for a race. 2. Line beyond which a spectator must not step.
screak. Screech!
screed. 1. A long, monotonous harangue or piece of writing. 2. Guidestrip on wall or pavement for the even application of plaster or cement.
scrim. 1. Durable, loosely woven fabric used for curtains or upholstery lining. 2. The transparent drop curtain in a theater.
scrip. A wallet, small satchel or bag.
scriptorium. Writing room in a monastery.
scrivener. 1. A scribe. 2. A notary.
scrobiculate. Marked with many shallow depressions, grooves, or pits - Lat.: scrobiculus, (little trench).
scrod. Young cod or haddock.
scrofula. Constitutional condition affecting the young and characterized by predisposition to TB, lymphatism, glandular swellings, and catarrh - "scrofulous".
scrum. Scrimmage.
scud. 1. Wind-driven clouds, mist, or rain. 2. To run before a gale with little or no sails set. 3. To skim along swiftly and easily. 4. A sudden light shower.
scudo. Former Italian coin.
scull. 1. A long oar twisted from side to side over the stern to propel. 2. One of a pair of short-handled oars used by a single rower. 3. A small, light racing boat for one, two, or four oarsmen.
sculpin. Includes scorpion fish - scorpaenid.
scumble. To soften the colors or outlines of a painting by rubbing or covering with an opaque or semi-opaque film of color - scum.
scunner. A strong dislike - "shunner".
scup. Food fish resembling the porgies.
scutage. Draft tax.
scutch. To separate the valuable fibers from the woody parts by beating.
scute. Horny, bony or chitinous scale.
scutellum. 1. A shield-like bony plate on an arthropod's belly. 2. Shield-like structures on the cotelydon of a grass.
scutter. To scuttle.
scuttle. 1. Small hatch with a movable lid in the deck or hull of a ship. 2. Its lid.
scuttlebutt. A drinking fountain on a ship.
scutum. Barnacle plate.
Scylla. Female sea monster who devoured sailors.
scyphozoan. Includes jelly fishes - Gr.: skuphos, (cup).
sea butterfly. A pteropod (mollusk).
sea gooseberry. Two tentacles and a round, iridescent body.
sea holly Old World holly growing on seashores.
sea kale. European plant with edible leaves.
sea mouse. Marine worm.
searchless. Mysterious, impenetrable.
sea robin. Bony head, extremely long pectoral fins with fingerlike rays.
sea squirt. Sedentary. Transparent, sac-shaped body with two siphons.
sea walnut. Cteniphore. Translucent ovoid body with lengthwise ridges and rows of hair-like cilia.
seaware. Sea wrack used as fertilizer.
sea wrack. Material cast ashore, esp., seaweed.
secco. Art of painting on dry plaster.
secern. 1. To discriminate. 2. To secrete. - Lat.: secerno, (to sever).
Second Empire. Furniture, architecture, and decoration from 19th C. France.
secondo. Second part in a concert piece, esp., the lower part in a piano duet - "primo".
secretary bird. Long-legged bird of prey. Eats bugs out of crocodile's teeth?
secretin. Duodenal hormone that stimulates pancreatic secretion.
Section Eight. Dishonorable discharge.
secularism. Should be concerned with mankind's well-being rather than religious considerations.
secundines. Afterbirth.
sederunt. A prolonged session - Lat.: (They sat.).
sedge. Like a grass but with solid stem.
sedilia. A set of seats, usually three, built into the wall on the south side of the choir near the altar for the celebrant and his ministers.
sedum. Creeping sedum? The houseleek.
segno. Notational sign marking the beginning or the end of a repeat Lat.: signum,
sego. Succulent, edible bulb of the sego lily.
seguedilla. 1. A lively Spanish dance. 2. Stanza form of 4 to 7 short verses - "segue".
seicento. 1600's in Italy.
seiche. A wave that oscillates in lakes, bays, or gulfs from seismic disturbances - Pr.: "saysh".
seidel. A beer mug. - Lat.: situla, (bucket).
Seidlitz powder. Laxative.
seignor. A man of rank, esp. a feudal lord.
seizin. 1. Legal possession of land. 2. Taking legal possession of land. - "The right of siezin".
seismoscope. Gives time of occurrence of earthquakes.
selachian. Sharks and rays (elasmobranch).
selaginella. Fernlike prostrate plants.
selah. Thought to be a term (in the Psalms) indicating a pause.
selenite. Clear gypsum
selenodesy. Geodosy of the moon.
selvage. 1. The edge of a fabric woven so that it will not ravel (carpet fringe). 2. Tape-like edge. 3. Edge plate of a lock with a slot for a bolt.
semanteme. An irreducible linguistic unit of meaning.
semasiology. Semantics.
semé. Design embellished with small, delicate figures, e. g., flowers or stars.
semibreve. A whole note.
semilunar valve. Either of two crescent-shaped cardiac valves, each having three cusps. located in the aorta and the pulmonary artery, and preventing blood from flowing back into the heart.
semiology. 1. Science dealing with sign language. 2. Symptomatology.
semiotic. 1. Pertaining to semantics. 2. Pertaining to symptomatology.
semipalmate. Having partial or reduced webbing.
Semite. Babylonians, Phoenicians, Assyrians, Jews and Arabs.
sempiternal. Perpetual.
semplice. Simply, plainly.
sempre. In the same manner throughout.
senarius. Greek or Latin verse containing six feet per line.
senary. Pertaining to the number 6.
senna. Cathartic.
sennet. Trumpet call giving ceremonial entrances and exits in Elizabethan theater.
sennet. Barracudas.
sennight. A week.
sennit. 1. Braided cordage formed by plaiting several cords together. 2. Plaited straw or palm fronds for making hats.
senopia. Improvement of near vision occurring during the aging process because of swelling in the crystalline lens due to incipient cataract.
sensillum. Epithelial sense organ consisting of one or a few cells.
sensorineural. Pertaining to the neural aspects of sensory perception.
sententia. An aphorism or adage.
Sephardi. European Jews who settled in Spain, Portugal, and northern Africa.
sepiolite. Meerschaum.
seppuku. Hari-kari.
Septembrists. Mob that massacred the imprisoned royalists.
septarium. Greek or Latin verse with seven feet.
septet. 1. A group of seven. 2. Seven performers.
septifragal. Breaking away of certain parts of a plant from its dividing walls.
Septuagesima The third Sunday before Lent.
Septuagint. Greek translation of the Old Testament made in the 3rd C. B. C.
septum pellucidium. Thin membrane of nervous tissue that forms the medial wall of the of the lateral ventricles in the brain.
sepulture. 1. Interment. 2. A sepulcher.
sequestrant. A chemical that promotes sequestration.
sequestration. 1. Segregation. 2. Seizure of property, writ authorizing same. 3. The inhibition of normal ion behavior by combination with added materials, esp. the prevention of metallic ion precipitation from solution by formation of a coordination complex with a phosphate.
sequestrum. A dead bone fragment removed from a healthy bone.
sera. A large mass of ice broken off a glacier and remaining behind in a crevasse.
sere. The entire sequence of ecological communities successively occupying an area.
seriate. Arranged in a series or rows.
seriatum. One after another in a series.
sericeous. Covered with soft, silky hairs.
sericulture. The growing of silkworms.
sericin. Viscous, gelatinous protein that forms on the surface of raw-silk fibers.
seriema. Two crane-like S. A. birds that have a tuft-like crest at the base of the bill.
serigraph. Print made by the silk screen process.
serin. Old World finches.
serodiagnosis. Diagnosis using blood serum reactions.
seropurulent.. Serum and pus.
serosa. A serous membrane.
serotherapy. Treatment with a serum or antitoxin.
serotinous. Late to bloom.
serotype. Group of related microorganisms related by their antigens.
serow. Eastern Asiatic goat-like antelope - serow.
serpentine. 1. Sinuous. 2. Subtly sly and tempting. 3. Decorative green/brown mineral and magnesium ore.
serpigo. Spreading skin eruption like ringworm.
serranid. Sea basses and groupers.
serried. Pressed or crowded together.
sertularian. Colonial hydroids with polyps arranged in pairs along a branching stem.
serval. Long-legged wildcat with a yellowish coat and black spots - margay (Africa).
serviette. A table napkin.
sesamoid. A small bone like the kneecap that develops in a tendon or in the capsule of a joint.
sesterce. Silver or bronze coin = ¼ silver denarius.
sestercium. 1,000 sesterces.
sestet. stanza constituting the last 6 lines of a sonnet.
sestina. Provencal verse form: six six-line stanzas and a three-line envoi, repeating the end words of the first stanza throughout according to a scheme of cruciate retrogation.
seta. A bristle-like process.
setoff. The settlement of a debt by a debtor making a counterclaim against his creditor.
set piece. 1. A realistic piece of stage scenery designed to stand by itself. 2. An often brilliant piece of artistic or literary work characterized by a formal pattern. 3. A carefully planned and executed operation.
seven-up. A card game requiring seven points to win.
sewer. A medieval servant who supervised the serving of meals.
Sexagesima. The second Sunday before Lent.
sextodecimo. 1. The page size of a book composed of printer's sheets folded into 16 leaves or 32 pages.. 2. The book so published.
Seyfert galaxy. Small galaxy with a compact, bright nucleus that exhibits light and radio intensity.
spherics. The study of atmospherics using radio detectors.
sforzando. Suddenly and strongly accented.
sgraffito. Decoration produced by scratching through a surface of plaster or glazing to reveal a different color underneath.
Shabbat. The Jewish Sabbath.
shad. Related to herrings but anadromous.
shaddock. Like a grapefruit - (tangelo).
shag. The cormorant.
shaggy dog story. A long-drawn-out anecdote with an absurd or anticlimactic punch line.
shadfly. The mayfly.
shaggy mane. An edible mushroom.
shagreen. 1. The rough hide of a shark or ray, covered with bony denticles and used as an abrasive and as leather. 2. Untanned granular leather that is often dyed green.
Shaltan. 1. The Devil (Moslem). 2. A fiend. - (Eblis).
shaloon Lightweight wool or worsted twill fabric used for coat linings.
shalom aleichem. Used as a greeting and a farewell.
Shamash. The Babylonian-Assyrian sun god, worshipped as the author of justice and compassion.
shammes. 1. The sexton in a synagogue. 2. The candle used to light the other 8 candles of a Chanukah menorah.
shamus. A gumshoe, policemen.
shandygaff. Beer or ale mixed with ginger beer, ginger ale, lemonade.
shankpiece. An arch support.
sharpie. 1. A long, narrow flat-bottomed fishing boat rigged with two triangular sails. 2. A quick-witted person.
shashlik. Marinated cubes of mutton or veal, often with eggplant, onion and tomato. A shish kebab.
shawn. Forerunner of the modern oboe.
shea butter. Obtained from the nut of the shea tree. Used for food, soap, and candles.
shear legs. Two or more spars joined at the top and spread at the base, the tackle being suspended from the top.
shearling. A year-old sheep that has been shorn once.
shearwater. Includes the puffins.
sheathbill. Antarctic shore birds with a horny covering at the base of the bill.
shea tree. Yields shea butter.
sheep-cote. A sheepfold.
sheep-fold. A pen for sheep.
sheep ked. Sheep tick.
sheeps-head. Food fish.
sheer. 1. to swerve. 2. The upward curve of the longitudinal lines of a ship's hull as viewed from the side. 3. The position in which a ship is placed in order to keep it clear of a single bow anchor.
sheet. A rope attached to one or both lower corners of a sail. 2. The spaces at either end of an open boat in front of and behind the seats.
sheet anchor. 1 A large extra anchor for emergency use. 2. One that can be turned to in case of an emergency.
sheet bend. A knot in which one rope is made fast to the bight of another.
shegetz. A goy, a non-Jewish boy or young man - (shiksa).
shekel. Hebrew shekel was about ½ ounce.
sheldrake. Old World duck.
shelduck. A sheldrake.
shellback. A veteran sailor, esp. one who has crossed the equator.
shell jacket. 1. A tight-fitting military jacket worn buttoned up. 2. A mess jacket.
sheoak. The beefwood (casuarina).
sheol. 1. Hell 2. The abode of the dead.
shepherd's pie. Cooked meat with gravy, topped by a layer of mashed potatoes.
shepherd's purse. Weed.
Sheraton. English furniture style (1800). Straight lines and graceful proportions.
sherif. 1. A descendent of Mohammed through his daughter, Fatima. 2. The chief magistrate of Mecca. 3. A Moroccan prince or ruler.
Sherpa. Tibetan people living in Nepal.
Shiah. 1. the principal minority sect of Islam. Followers of Ali, the cousin and son-in-law of Mohammed regard Ali's heirs as Mohammed's legitimate successor and reject the other caliphs and the Sunnite legal and political institutions. 2. The Shiites.
shiatsu. Finger pressure at acupuncture centers.
shibboleth. 1. A language usage that distinguishes one class from another. 2 A common saying or idea, a slogan.
shieling. A shepherd's hut.
shigella. Includes dysentery bacteria. Non-motile, virgate bacteria.
Shiite. Member of Shiah branch.
shiksa. A non-Jewish girl or young woman.
shilly-shally. 1. To dawdle ("No shilly-shallying" Mary Poppins). 2. To procrastinate.
shimmy. A chemise.
shindy. A commotion, uproar.
shiner. Small, silvery fish.
shinny. School kids hockey. Shinny stick. To shinny up a tree.
shinplaster. Paper currency issued privately, esp. with no backing.
ship biscuit. Hardtack.
ship-way. The structure supporting a ship during construction.
shire horse. A large, powerful draft horse.
shirr. 1. To gather into three or more decorative parallel rows. 2. To cook unshelled eggs until set.
shirtwaist. 1. A woman's tailored shirt with details copied from men's shirts. 2. A woman's dress with the bodice styled like a tailored shirt.
shittah. Probably a species of acacia.
shiva. A seven-day period of mourning after the death of a close relative.
Shiva. The god of destruction and reproduction.
soal. A large group, a crowd.
shoat. A young pig just after weaning.
shoebill. A tall African wading bird with a shoe-like bill with a hook on the upper mandible.
shofar. A trumpet made of a ram's horn (Hebrew).
shoji. A translucent paper screen forming a sliding door or partition in a Japanese house.
shoofly. 1. A child's rocker having the seats between two sides cut in the shape of an animal. 2. An undercover policeman who checks on the honesty of other policemen.
shooting stick. Stick with seat at one end.
schott. Chott - salina.
shotten. Having recently spawned and less desirable as food - "It's shotten its wad and now it's shotten"
shoveler. 1. One that shovels. 2. A widely distributed duck.
showbread. The 12 loaves of blessed unleavened bread placed every Sabbath in the sanctuary of the Tabernacle by the Hebrew priests of ancient Israel.
shrieval.` Pertaining to a sheriff.
shrive. 1. To hear the confession of and give absolution to a penitent. 2. To obtain absolution by confessing and doing penance. 3. To hear confessions.
Shropshire. Sheep.
Shrovetide. Shrove Sunday, Shrove Monday, and Shrove Tuesday, preceding Ash Wednesday.
shrub. Made from fruit juice, sugar, and rum or brandy.
shtetl. A small Eastern-European Jewish community.
sial. A layer of rock rich in silica and alumina underlying all continental land masses.
sialadenitis. Inflammation of a salivary gland.
sialic acid. A group of amino-carbohydrates that are found in mucoproteins, lipids, and polysaccharides.
siamang. Large, black Malayan gibbon.
sib. 1. kinsman. 2. Kinfolk. 3. sibling.
siccative. A drier (added to paints to promote drying).
sickle feather. Long curving feathers in the tail of a cock.
sic passim. Thus everywhere.
siddur. Jewish prayer book containing prayers for every day of the year.
side drum. A snare drum.
side-man. An instrumentalist in a jazz band.
siderosilicosis. Pneumoconiosis caused by excessive inhalation of silica and iron dust.
siderosis. Chronic inflammation of the lung from dust.
siderostat. Reflects light from stars to a fixed telescope.
siemens. Unit of conductance equal to one ampere per volt.
sierozam. Cool to temperate arid regions: Soil is brownish-gray and the surface and lighter below and is based in a hardpan layer.
sieve tube. Series of cells joined end-to-end through which food is conducted in a vascular plant.
sigil. 1. A seal, signet. 2. A sign or image considered magical.
sigmoid flexure.  Between descending section and the rectum.
signalment. A detailed description of a person's appearance (police).
signor. Mr., in Italian.
Sigurd. Slew Fafnir.
Sikhism. Monotheistic Hindu religious sect founded in the 1500's.
sild. A young herring other than a sprat that is processed as a sardine in Norway.
silenus. Minor woodland deities and companions of Dionysius.
Silenus. The foster father of Dionysius.
silesia. Smooth linen fabric first produced in Silesia. 2. Twilled cotton fabric used for linings.
silex. Finely ground tripoli used as a paint filler.
silicle. A short, flat silique.
silique. A long pod that is divided by a membranous partition and splits at both seams, like the fruit of the mustard.
silk-screen process. A method of producing a stencil in which a design is imposed upon a screen of silk, with blank areas coated with an impermeable substance, and ink is forced through the cloth onto the printing surface.
sillabub. A confection (see syllabub).
silurid. Includes catfishes.
Silvanus. God of forests, fields, and herding.
silver cord. The emotional bond between a mother and her offspring (after The Silver Cord).
silverrod. Like goldenrod but white flowers.
silverside. Fish.
silvichemical. Chemicals derived from forest products.
Silvicolous. Inhabiting forests.
sima. The earth's outer crust, rich in silica, iron, and magnesium, that lies below the sial.
Simchas Torah. Feast marking the end of the Feast of Tabernacles.
simnel. 1. Crisp bread made of fine wheat flour. 2. A fruitcake.
simoleon. dollar 
simoniac. One who practices simony.
simony. The buying or selling of ecclesiastical pardons, offices, or emoluments.
simple closed curve. A Jordan curve.
simple sentence. A sentence having no coordinate or subordinate clauses.
simple sugar. A monosaccharide.
simplex. Telegraphy in which a message can be sent only one way at a time.
sinanthropus. Extinct hominid including sinanthropus.
sinapism. A mustard plaster.
sine die. Adjourning without a day for a future meeting; indefinitely.
single-stick. 1. A one-handed fencing stick with a hand guard. 2. Fencing with a singlestick.
singlet. A man's jersey underwear.
singleton. 1. A playing card that is the only one of its suit in a player's hand. 2. An individual distinguished from two or more of its group.
single-tree. A whiffletree.
singspiel. 18th C. German musical comedy featuring folk songs interspersed with dialogue.
sinistrorse. Growing upward in a spiral that goes from right to left.
sinistrous. Sinister.
sinking fund. A fund accumulated to pay off a public or corporate debt.
sinoatrial node. A small mass of muscle fibers in the posterior wall of the right atrium of the heart that generates the initiating impulses of the heartbeat.
sinuate. Having a wavy indented margin, like a leaf.
siphonostele. A vascular tube surrounding the pith in plant stems.
siphuncle. 1. Tube-like structure in a shelled cephalopod ( a chambered nautilus) that extends through each chamber of the shell. 2. A dorsal tube in an aphid secreting a waxy fluid.
sippet. A small piece of bread soaked in gravy.
sirdar. A person of high rank, esp. in India.
sirenian. Includes the manatee and the dugong.
sirvente. Provencal lyric verse satirizing political, social, or moral themes.
siskin. Bird.
sistrum. Ancient Egyptian percussion instrument: metal rods or loops attached to a metal frame.
sitar. Seasoned gourds and teak, 20 metal frets, 6 o 7 strings with 13 sympathetic resonating strings below.
sith. Since.
situs. Position, especially,. normal position of a body organ.
sitzmark. A hollow made in the snow by a skier falling backward.
size. glue, wax, or clay-based glazes or fillers for porous materials.
sizing. The treatment of a fabric with size.
skat. Card game for 3 persons with 32 cards.
skean. Double-edged dagger in Ireland and Scotland.
skeg. 1. Timber connecting the keel and the sternpost of a boat. 2. An arm extending to the rear of the keel to protect the rudder and the propeller. 3. a Series of timbers attached to the stern of a small boat to keep the boat on course.
skelp. To strike. To hurry.
skep. A beehive, esp. one of straw.
skerry. A small rocky reef or island.
skew arch. An arch having sides not at right angles to its abutments.
skewback. Either of two inset abutments sloped to support a segmental arch.
skewbald. Having spots or patches of white on a coat of a color other than black.
skew field. A mathematical field in which commutation does not hold for multiplication.
skiagram. A picture made up of shadows or outlines - Gr.: skia, (shadow).
skiascope. A retinascope.
skibob. A downhill racer with a fore and aft ski.
skid road. Road made of logs laid transversely about 5 feet apart for hauling logs.
skijoring. skier is drawn by a vehicle.
skimmer. 1. One that skims. 2. Flat skimming utensil. Wide-brimmed hat with a flat shallow crown. 4. Coastal birds with a long bill for skimming the water for food.
skin game. A graft.
skink. Lizards with cylindrical bodies and short legs.
skirret. Old World: sweetish edible root.
skive. To pare.
skiver. A thin leather split off the outside of a sheepskin used for bookbinding. 2. One that skives. 3. A skiving knife.
skua. A predatory gull-like sea bird.
slab. Viscid (Archaic) - "thick and slab".
slack. The mixture of coal fragments, coal dust and dirt that remains after screening coal.
slack. A small dell or hollow.
slack-baked. Half-baked.
slatch. 1. A momentary lull in breaking waves (good for launching boats). 2. A lull in a high windstorm - slack.
sleave. 1/ To separate a twisted mass of thread. 2. A thin thread.
sleave silk. Raw, untwisted thread; floss.
slickenside. A polished and striated rock surface caused by one rock mass sliding over another in a fault plane.
slimsy. Slim and flimsy.
slipperwort. The calceolaria.
slip-sheet. A sheet of paper slipped between newly printed sheets to prevent offsetting.
slivovitz. Plum brandy.
sloe. 1. The blackthorn. 2. Its fruit.
sloyd. Swedish manual training method based upon woodcarving & joinery.
slub.. To draw out and twist fibers in preparation for spinning. 1. A soft, thick nub in yarn created either purposely, for effect, or accidentally. 2. A slightly twisted roll of fiber.
slew. 1. To turn, twist, move, or skid to one side. 2. To turn a mast.
slype. A covered passageway, esp. between the transept and chapter house of a cathedral.
smack. 1. A distinctive flavor. 2. A smattering.
smack. A sloop-rigged boat, esp. to transport fish to market.
smalltite. Nickel-cobalt ore.
smarmy. 1. Sleek. 2. Gushingly flattering.
smearcase. Cottage cheese.
smew. Old World duck.
smilax. 1. Climbing plane: the catbrier
smithsonite. Zinc ore.
smokejack. Chimney spit-turner, fueled by hot air.
Smoking room .
Marked by indecency.  
smutch. A smudge.
snaffle. Horse bit: two bars joined at the center.
snake fence. A worm fence.
snake head. The turtlehead (plant).
snake-mouth. An orchid.
snakestone. Small porous stone thought to cure snake-bite.
snakeweed. Same idea.
snap-brim.. Turned down in front and up at the back.
snare. 1. Wires or cords stretched across the lower skin of a snare drum to increase reverberation.. 2. A snare drum.
snatch block. A block that can be opened on one side to receive the rope.
snell. A fish-line leader.
snib. To latch a door.
snickersnee. 1. A knife resembling a sword. 2. Fighting with knives.
snowblink. Like an iceblink.
snow plant. N. A. saprophyte.
snuggery. A snug position or place.
soapbark. S. A. Can be used as soap (source of saponin).
soave. Italian white wine.
sobersided. Devoid of extreme qualities such as exaggeration; sober.
socage. Feudal tenure of land by a tenant not a knight in return for agricultural or other nonmilitary services or monetary rental payments.
Socinian. 16th C. Italian. Unitarian views, denial of the divinity of Jesus.
sockdolager. 1. A conclusive blow or remark.
socle. A plain square block above a plinth supporting a vase, sculpture, or column. 2. A plain plinth supporting a wall.
sodality. 1. Fellowship. 2. A Catholic charitable society.
soffit. The underside of a structural component such as a beam, arch, or staircase.
soidisant. Self-styled.
soil. 1. To feed livestock. 2. To purge livestock.
soilure. Being soiled.
soignée. Sophistication; well-groomed.
soiree. Evening party.
soke. Right of local jurisdiction (feudal lord).
sol. Worth 12 deniers (Court of the Sun King?).
solatium. Consolation money for damaged feelings as opposed to physical suffering.
soldan. Sultan.
solecism. 1. Grammatical mistake. 2. Violation of etiquette. 3. Faux pas.
solfa. do-re-mi-fa-so-la-ti-do.
solfatera. Volcanic fissure issuing sulfurous vapors, steam, and hot mud.
solleggio. 1. Solmization 2. Singing scales.
solmization. 1. Using the solfa to note the tones of the scale. 2. Singing scales.
solferino. A moderate purplish-red (after the town of Solferino).
solidus. 1. Roman coin used until 1453. 2. A virgule (/).
solderat. Steel shoe of overlapping plates - "soldier".
solmization. Using do-re-mi to represent the tones of the scale.
solum. The surface layer of soil in which topsoil formation occurs.
solus. By oneself, alone. 
Solutrean. Old World Upper Paleolithic, following Aurignacian.
solvation. Solute and solvent combine with relatively weak covalent bonds, e. g., hydration.
solvolysis. Chemical reactions in which solute and solvent alter the Ph of the solution.
somatopleure. Cellular sheet in some vertebrates that develops into the internal body wall.
somite. A metamere - an homologous body part: flippers for hands, flukes for feet.
sommelier. A restaurant's wine steward - Gr.: sagma, (saddlebag).
somnifacient. A hypnotic.
sone. 40 db. above threshold of audibility at 1 kHz.
son et lumiiêre. Sound and light (e.g., fireworks display).
sonorant. A voiced consonant regarded as a syllabic sound: the n in sudden.
Sophy. Title given to kings of Persia - Ar.: safiuddin, (purity of religion).
sopor. Stupor, deep sleep.
sora. N. A. marsh bird.
sorb. Includes the rowan - Lat.: sorbus, (service tree).
sorbic acid. Found in mountain ash. Used as a food preservative and a fungicide.
sord. A flight of mallards - Lat.: servere, (to use).
sordino. A mute for a musical instrument serdus, (deaf, mute).
sorgo. Sorghum.
sericene. Includes the shrews - Gr.: sorex, (shrew).
sorites. A series of incomplete syllogisms is so arranged that the predicate of each premise is joined with the subject of the next until the subject of the first is joined with the predicate of the last in the conclusion - Gr.: soros, (heap).
sororate. The custom of marriage of a man to his wife's sister after the first wife has died or proved sterile.
sorrel Acid-flavored leaves sometimes used in salads. A sorrel horse.
sorrel Brownish-orange to light brown.
sortilege 1. Sorcery, witchcraft. 2. Foretelling the future by drawing lots. - sortilegus, (soothsayer, diviner).
sostenuto In a sustained or drawn out manner.
soteriology The theological doctrine of salvation, as effected by Christ - Gr.: soter, (saviour).
Sothic Pertaining to the Egyptian year of 365¼ days. 2. Pertaining to Sothis (Sirius). 3. A cycle consisting of 1460 365-day years.
sotol Tall, woody S. W. plants: "So tall".
soltish 1. Tending to drink excessively. 2. Stupefied, drunk.
souari nut Food and source of cooking oil.
soubise Sauce made with onions or onion puree.
soubrette 1. Saucy, coquettish lady's maid. 2. Flirtatious young woman.
souchong. Chinese black tea - oolong, congou.
soupçon. A trace.
sourdine. 1. Obsolete double reed instrument. 2. A violin mute. 3. Organ stop producing a low, soft, muted tone.
sousop. Fruit tree - John Phillips Sousop.
sousaphone. Similar to a tuba.
souse. To pounce upon, like a hawk.
soutache. A narrow, flat , herringbone braid used for trimming and embroidery.
soutane. A Catholic cassock.
Southdown. Sheep.
southron. Southerner
southwester. Waterproof hat.
sovkhoz. State-owned farm.
sow bug. Under logs. Oval, segmented body.
spadix. Like the calla and jack-in-the-box.
sphagyric. Pertaining to alchemy.
spandrel. Triangular space between an arch and its rectangular framework.
spat. An oyster when it settles to the bottom and begins to develop its shell.
spathe. Leaf-like sheathe enclosing jack-in-the-pulpit - Gr.: spathe, (broad blade).
spathic. Minerals: having good cleavage.
spatterdock. Aquatic plant.
spavin. Hock (horse's ankle) disease.
specific performance Performance of a legal contract as specified in its terms.
speculum. 1. Mirror or polished metal plate. 2. Medical instrument for dilating body cavities. 3. Iridescent patches of color on duck's wings. 4. Transparent spots on butterfly's wings.
speedball. Cocaine and heroin I.V.
speed freak. Amphetamine user.
speedwell. Veronica.
speiss. Arsenic or antimony compound produced when smelting ores - Lat.: expensa, (to have payed out).
spelt. A hardy wheat - (emmer).
spelter. Zinc ingots, slabs, or plates.
spenser. A trysail.
Spencerian. Rounded letters slanted to the right.
Spencerism. Evolution is the passage from the simple, indefinite to the complex, definite, and coherent.
Spenserian sonnet. Three interlocking quartinas and a couplet, with rhyming pattern abab bcbc cdcd ee.
Spenserian stanza.  lines of iambic pentameter and a final Alexandrine (after The Faerie Queene, with rhyme scheme abab bcbcc.
spermaceti. Sperm whale oil, used for candles, ointments, and cosmetics. From head of sperm whale. Fatty-acid esters.
spermary. Invertebrate testicle.
spermatheca. Receptacle for storing spermatazoa in insects - Gr.: theca, (case).
spermatic cord. Contains vas deferens, blood and lymphatic vessels, and nerves. Passes from the abdominal cavity through the inguinal canal into the scrotum.
spermatid. One of four haploid cells formed during mitosis in the male that develop into spermatzoa without further division.
spermatium. A non-motile male gamete in red algae and fungi.
spermataphore. An extruded capsule of spermatazoa in some primitive vertebrates - Gr.: phore, (bearer of).
spermatorrhea. Involuntary seminal discharge without orgasm.
spermatagonium. Cells that are precursors to spermatazoa.
spermophile. N A. ground squirrels.
sperrylite. Platinum ore (named after a Canadian geologist).
spessarite. Mg and Al silicate - after Spessarte, a hill in West Germany.
sphalerite. Zinc ore =- Gr.: sphaleros, (slippery).
sphene. A wedge-faulting titanium ore and gemstone.
sphenic. Wedge-shaped - Gr.: sphene, (wedge) - cuneiform, trigonal, deltoid.
spherics. Spherical geometry, trigonometry.
spherulite. Crystalline body with a radiating structure found in obsidian and other silicic lava flows.
sphragistics. The study of seals and signets - Gr.: sphragic, (seal).
sphygmic. Pertaining to the pulse.
sphygmoid. Resembling a pulse.
spica. A bandage applied in overlapping opposite spirals to immobilize a limb.
spiccatto. Where the bow bounces off the strings.
spiegeleisen. Iron alloy used in the Bessemer process.
spikenard. A costly ointment of antiquity thought to have been made from the plant.
spile.` 1. 1. A piling post. 2. A bung. 3. A tree-tap spigot.
spillikin. Jackstraw.
spilth. Spillage.
spinel. Magnesium aluminum oxide, red spinel being a gemstone.
spiniferous. Spiny.
spinifex. Spiny Australian grasses.
spinney. A copse - Lat.: spinetum, (thorn hedge).
spinotectal. Pertaining to the spinal cord and the tectum9roof-like dorsal mid-brain).
spinous process. The rearward projection from the arch of a vertebra that forms the spine.
spinthariscope. Scintillation detector.
spirant. Fricative.
spirea. The bridal wreath, the hardhack, and the meadowsweet.
spireme. The tangle of filaments that appears at the beginning of the prophase portion of meiosis or mitosis.
spirillum. Flagellated, spiral aerobic bacteria.
spirits of wine. Rectified ethyl alcohol.
spirituous. Alcoholic.
spirochete. Slender, twisted, non-flagellated microorganisms causing malaria, relapsing fever, yaws, and other maladies.
spirogyra. Algae.
spirula. Small cephalopod mollusk with a spiral shell.
spitel. A hospital for contagious diseases.- A lazarette.
splanchic. Visceral.
splat. Wooden slat, esp. in a chair-back.
splenetic. Ill-humored.
splenius. The two muscles at the back of the neck that rotate the head.
Spode. A trademark for fine china.
spodumene. Lithium ore and gemstone.
spokeshave. A drawknife.
spoliation. 1. The act of despoiling. 2. The seizure of neutral vessels in time of war. 3. The intentional alteration or destruction of a document.
spondee. A metric foot: two stressed syllables.
spondylitis. Vertebral inflammation.
sponge mushroom. The morel.
spongin The fibrous skeletal structure of sponges.
spongiocyte. A neuroglia (network of supporting cells) cell.
spongocoel. The central cavity of a sponge opening to the outside by way of the osculum.
sponson. 1. Structures that project from the side, esp. a gun platform. 2. Floats on a seaplane that lend stability in the water.
spontoon. Short 18th C. infantry officers' pike.
spoonbill. 1. Wading birds. 2. Broad-billed ducks such as the shoveler. 3. The paddlefish.
spoonerism. "Let me sew you to your sheets." after William Spooner.
sporangium. Spore-bearing structure.
sporocyst. 1. Resting cell that produces asexual plant spores. 2. A protective spore case. 3. Trematode larval stage.
sporogonium. Produces asexual spores in mosses.
sporogony. Spore production resulting from sexual fusion of gametes prior to multiple fission.
sporophyll. A spore-bearing leaf.
sporophyte. Spore-producing phase in plants that reproduce by metagenesis.(alternating asexual and sexual reproduction).
sporopollenin. A polymer that comprises the exine (outer layer of the wall) of spores and pollen grains.
sporulate. To produce or release spores.
sprag. 1. A wheel chock. 2. A pointed stake driven into the ground to keep a vehicle from moving. 3. A prop to support a mine roof.
sprat. 1. A young herring. 2. A food fish.
springe. Sprung branch with a noose to catch animals.
spring roll. An egg roll.
sprint tail. Grasshoppers.
sprue. Tropical disease: diarrhea, emaciation, and anemia.
spurrier. A spur-maker.
spurry. Weed.
squab. 1. An unfledged pigeon. (culver) 2. Short and fat. 3. A sofa.
squama. 1. A scale. 2. A thin plate of bone.
squamosal. 1. the squamous area of the temporal lobe.
squamous epithelium. Epithelium that is single-layered and comprised of scaly cells.
squarrose. 1. Having rough or spreading scale-like processes. 2. Spreading or recurved at the tip.
squeteague. The weakfish.
squib kick. Football is kicked along the ground, making it difficult to apprehend.
squilfed. Drunk.
squill. Bulbs are used for rat poison, a cardiac stimulant, expectorant, and diuretic.
squilla. Burrowing marine crustaceans.
squirearchy. Rule by landed gentry.
stacte. Spice used by Jews for incense.
staddle. Platform for hay and straw.
stadia. 1. measurement of distances in surveying. 2. Parallel lines in a telescope.
staminate. Having stamens.
staminode. A sterile stamen.
staminody. The transformation of a floral organ into a stamen.
stammel. 1. A coarse red woolen cloth once used for undergarments. 2. Stammel red.
stand oil. A drying oil such as linseed, tung or soy, heated with minimum oxidation until thickened, and used in oil enamel paints.
St. Andrew's cross. 1. An X-shaped cross. 2. A plant.
stanhope. A light, open carriage.
stapes. The middle-ear stirrup - (incus, malleus, stapes).
staphylo. Resembling a cluster.
staphyloplasty. Corrective surgery of the uvula and the soft palate.
staphylorraphy. Surgical correction of a cleft palate and a divided uvula.
starets. A respected spiritual advisor, often a monk or hermit, in the Eastern Orthodox Church.
starling. A protective structure of pilings surrounding a bridge pier.
statice. Sea lavender.
stative  Belonging to a class of verbs that state a condition.
statoblast. An asexually produced encapsulated bud of a freshwater hydrozoan from which new colonies develop after the parent colony has disintegrated.
statocyst. Contains statoliths to help in balancing. (semicircular canals)
statoscope. Recording barometer.
stavesacre. 1. A larkspur. 2. The poisonous seeds of the stavesacre, once used as a parasiticide.
staysail A triangular sail hoisted on a stay - (studding sail).
steak au poivre. Studded with black pepper and often flambéed with cognac.
steak tartare raw ground beef with onion, seasoning and raw egg, eaten as an appetizer.
stearoptine The portion of a natural essential oil that separates out as a white solid upon cooling or standing.
steatite The massive white-t--green talc that is used in paints, ceramics, and insulation.
steatolysis The digestive emulsification of fats prior to assimilation.
steatopygia Fat hips.
steatorrhea 1. Overactivity of the sebaceous glands. 2. Too much fat in feces.
steeve A spar with a block at the top for stowing cargo - (shear legs).
steeve The angle formed by the bowsprit and the horizon on the keel. To have an upward inclination.
stele 1. An upright stone with an inscribed surface. 2. The central core of vascular tissue in a plant.
stem cell An unspecialized cell that gives rise to specialized cells
.stemma 1. In Rome, a scroll recording the family tree. 2. The geneology of the manuscripts of a literary work.
stemson A piece of supporting timber bolted to the stern and keelson at their juncture near the bow of a wooden vessel.
stem turn A skiing turn made by stemming the downhill ski and placing one's weight upon it while bringing the other ski into a parallel position.
stentor Trumpet-shaped microorganisms with cilia around the trumpet's mouth.
stentorian Extremely loud (after Stentor, a loud-voiced Greek herald in the Iliad).
stephanotis Flowering vines - Gr.: stephein, (to crown).
step turn A skiing turn made by lifting a ski, turning it in the desired direction, and then turning the other ski.
stercoraceous. Excrement - Lat.: stercor, (dung).
stere. One cubic meter.
stereobate. 1. A stylobate (Foundation of a row of classical columns). 2. The foundation of a stone building, its top row sometimes being a stylobate.
stereochromy. Stereo painting, the pigments sometimes being mixed with waterglass.
stereology. The study of three-dimensional properties of objects usually observed two-dimensionally.
stereopsis. Stereoscopic vision.
stigmotaxis. Thigmotaxis.
stereotropism. Thigmotropism 
steric. Pertaining to the arrangement of atoms in a molecule.
sterigma. A slender projection of the basidium of some fungi.
sterlet. A sturgeon.
sternson. A bar set between the keelson and the sternpost to fortify the joint.
sternutation. A sneeze.
Stereope. One of the seven Pleides.
stel. Nullifies a previous printer's correction.
Stheno. One of the three Gorgons.
stibnite. Principal antimony ore.
stichic. Verse composed in homogeneous and recurrent lines, as in recitative poetry.
stochometry.. Prose line lengths corresponding to natural rhythms, as in manuscripts written before the adoption of punctuation.
stichomythia. Greek: single lines of verse are spoken by different speakers.
stickle. 1/ To argue stubbornly. 2. To have objections; scruple - (stickler).
stifle. Knee joint.
stilbite. A lustrous zeolite mineral.
stile. 1. A set of steps for crossing a fence. 2. A turnstile.
stile. A vertical member of a frame or panel, as in a door post.
stingaree. The stingray.
stinging cell. A cnidoblast.
stint. Small sandpiper.
stipe. Stalk of a mushroom or main stem of a fern.
stipet. Secondary stipule at the base of a leaflet.
stipes Stalk-like support or structure.
stipule. One of the small, paired, leaf-like appendages at the base of a leaf.
stirk. A yearling calf.
stirps, stirpes. 1. A line of descendents of common ancestry. 2. A person from whom a family is descended.
stirrup cup. A farewell drink to a rider who is mounted to depart.
stishkovite. Dense form of silicon dioxide polymorphic to quartz, formed under great pressure.
stithy. 1. An anvil. 2. A smith or forge.
stiver. 1. Something of small value. 2. Dutch coin worth 1/30th guilder. - (ambsace).
St. John's bread. 1. The locust bean. 2. St. John lived on honey and locust (beans).
St. John's wort. Gathered on St. John's Eve to ward off evil spirits.
stoa. Covered walk or colonnade. Columns on one side and a wall on the other.
stoat. The ermine, esp. when in its brown color phase.
stockfish. Fish such as cod or haddock, cured by being split and air-dried without salt.
stockinet. Elastic fabric used in making bandages (e.g., an Ace bandage).
stolon. A creeper.
stomacher. Decorative, heavily embroidered or jeweled woman's garment worn over the chest and stomach.
stoma. 1. Minute pore in the epidermis of a leaf. 2. A minute opening in the peritoneum thought to be for the passage of fluid into the lymphatic vessels. 3. A mouth-like opening.
stomatal. Pertaining to a stoma.
stomatic. Pertaining to the mouth.
stomotology. Study of the mouth.
stomatopod. Marine crustaceans, including the squilla.
stonechat. Old World bird.
stonecrop. Plant.
stope. An excavation in the form of steps made by mining ore in steeply inclined or vertical veins.
storax. Styrax. Resin used in perfumes and medicines.
stoss. Facing the direction from which a glacier moves - Ge.: stassen, (to push).
stound. While.
stover. The dried leaves and stalks of a cereal crop after harvest (haulm, hay, bagasse).
strabismus. Eyes can't focus together because of muscle imbalance.
straight leg. Pant leg have same diameter top and bottom.
strainometer. An extensometer.
stramonium. Jimsonweed. (Used to treat asthma.)
strangles. Infectious equine disease.
strangury. Slow, painful urination, with bladder and urethral spasms.
strappado. Torture, Victim's is hung by his tied hands and then dropped halfway.
strath. A wide, flat river valley. (Strathshannon)
straticulate. Having thin strata.
stratified charge engine. Burns rich fuel in a chamber near the spark plug and a very lean mixture elsewhere.
stratocracy. Government by the army.
stratocumulus. strato- as in stratified. Long, wide, low-lying clouds with massive, rounded summits
stratovolcano. Made of lava and ash in alternating layers.
stratus. A low-lying cloud resembling a horizontal fog bank.
street Arab. A homeless child.
stretto. 1. A close succession of overlapping voices in fugue, esp. in the final section. 2. A final section, as of n oratorio, performed with an acceleration in tempo to produce a climax.
streusel. Crumb-like cake or pie topping: flour, sugar, butter, and nuts.
stria. 1. A thin, narrow groove or channel. 2. A thin line, esp. several parallel stria close together.
strickle. 1. A tool for leveling grain. 2. A foundry tool used to shape sand or loam in a mold.. 3. A sickle sharpener.
stridor. 1. A strident sound. 2. A high-pitched breathing sound.
stridulate. A chirp.
strigil. Used to scrape the skin after a Roman bath - Lat.: strigilis, (to touch lightly)
strigose. 1. Fine, close-set grooves or streaks. 2. Having stiff, closely-pressed hairs or bristles.
stringboard. A board that covers the ends of the steps in a staircase.
stringcourse. A horizontal band or molding set in the front of a building.
stringendo. Accelerating tempo.
strobela. A part that buds to form a series of segments: a tapeworm.
strobile. Fruiting structure with overlapping scales, such as a pine cone or the fruit of the hop.
stroma. Framework tissue - Gr.: stroma < stornunai, (to spread).
stromalite. A sedimentary fossil consisting of laminated layers of algal origin.
strontianite. Strontium ore.
strophe. 1. a. A stanza, esp. the first of a pair of stanzas of alternating form on which the structure of a poem is based. b. A rhythmic section of a poem consisting of asymmetric lines. 2. The first division of the triad (strophe, antistrophe, epode) of a section of a Pindaric ode. 3. The movement of the chorus in Greek drama while turning from one side of the orchestra to the other.
strophoid. A plane curve generated by a point that maintains a distance from the y-axis along a straight line equal to the y-intercept.
strophulus. Children's disease.
stroud. Coarse woolen cloth or blanket (after Stroud, England).
struck jury. Special jury selected from a panel of 48.
struma. Scrofula, goiter.
struthius. Ostrich-like - Gr.: strouthos, (ostrich).
studding sail. Narrow rectangular sail hung from the yards of square-riggers.
stuff shot. A dunk shot.
stull. 1. Mine roof prop. 2. Mine platform, braced against the walls.
stum. 1. Must, unfermented or partially fermented grape juice. 2. Vapid wine diluted with must.
stupa. A tope (summit - Buddhist shrine).
stupe. A hot, medicated compress.
Sturm und Drang. 1. Turmoil, ferment. 2. 18th C. German literary movement: impulsive man struggling against conventional society.
stylet. 1. Stiletto, ice pick. 2. A surgical probe. 3. Small needle-like process
stylite. Early Christian ascetics who lived unsheltered on the tops of high pillars.
stylobate. The immediate foundation of a row of columns - Gr.: stylus + bainein, (to walk).
stylograph. A fountain pen having a tubular writing point instead of a nib.
stylolite. A small columnar rock formation in limestone and other calcareous rocks that is at right angles to the bed, of irregular cross section, with striated sides.
stylopodium. Enlargement at the of the style base of certain flowers.
styrax. A storax (tree). Yields, brownish aromatic resin used in perfumes and med.
subaltern. 1. secondary. 2. Brit.: Just below captain. 3. In the relation of particular proposition to a universal with the same subject, predicate, and quality.
subclavian artery. Turns into the axillary arteries extending into the arms.
subcutis. A layer of connective tissue beneath the dermis.
subduction. One edge of a geological plate descends below another.
suberose. Pertaining to cork.
subinfeudation. The sublease of a portion of a feudal estate by a vassal to a tenant who pays fealty to the vassal.
subito. Quickly, suddenly.
subjoin. To add at the end, append.
sub judice. Under judicial deliberation.
sublittoral. 1. Near the seashore. 2. Lying between the shoreline and the edge of the continental shelf: no more than about 300 feet deep.
sunlunary. Of this world, earthly.
subluxation. An incomplete dislocation of a bone in a joint.
submediant. The sixth tone of the diatonic scale. - (fa).
suborn. 1. To procure. 2. To induce a person to commit an unlawful act. 3. To induce a person to commit perjury.
subsere. A secondary interrupted series of communities that succeeds an interrupted climax community.
subsume. To classify in a more comprehensive category or under a general principle.
subsumption.. 1 Act of subsuming. 2. The minor premise of a syllogism.
subtonic. The seventh tone of a diatonic scale, immediately below the tonic - (ti).
subtopia Suburbs - Exurbia.
succedaneum. A substitute.
success d'estime. Critical success, popular failure.
success fou. A wild success.
succory. Chicory.
Succoth. A Jewish harvest festival.
sudatorium. Sweat house.
sudatory. Sudorific.
Sudar. The Untouchables.
suffragan. 1. A bishop elected or appointed as an assistant to the bishop or ordinary of a diocese having administrative and episcopal responsibilities but no jurisdictional functions. 2. A bishop (metropolitan) subordinate to his archbishop.
Sufi. Moslem mystic sect dating from the 700's.
sugaring off. Boiling down maple syrup.
sui generis. Unique. Individual.
sui juris. Capable of managing one' own affairs.
suint. Natural grease found in sheep's wool and used as a source of potash.
sukiyaki. Sliced meat, vegetables, and seasoning, fried together.
sullage. 1. Rubbish, sewage. 2. Deposited silt.
summum bonum. Supreme good.
sumpter. A pack animal. 
sumptuary. 1. Pertaining to expenditures or limiting expenses (consumption). 2. Regulating personal behavior on moral or religious grounds.
sundog. 1. A parhelion. 2. A small rainbow or halo near the horizon just off the parhelic circle.
sunn. Plant with tough finer used in cordage.
Sunna. The body of traditional Moslem law.
Sunni. The main branch of Islam. Accepting the first four caliphs.
sunstone. Aventurine
   
supe. A supernumerary actor.
superannuated. Retired because of advanced age.
supercilium. The eyebrow.
supercolumnar . 1. Located above a colonnade or column. 2. Columns located above a colonnade.
superdominant. The submediant or 6th tone of the diatonic scale - (la).
supererogate. To do more than is required, ordered or expected.
superfecta. Bettor must pick the first four winners of a race in the correct order.
superfecundian. Impregnation of more than one ovum within a single menstrual cycle by separate acts of coitus, esp. by different males.
superfetate. To conceive when a fetus is already in the uterus.
superfetation. The presence of fetuses of different ages.
super-high frequency. Between 3 GHz and 30 GHz.
superinduce. To introduce as an addition.
superior conjunction. Opposite side of the sun.
superior plane.t Farther from the sun than the earth.
supernatant. Floating on the surface.
supernate. Clear liquid after a precipitate has settled out.
superorder. Above an order but below a class.
supersedeas. A stay order (to stay an execution or legal proceedings).
supersedure. 1. To supersede. 2. Replacement of a queen bee.
supertonic. The second tone of the diatonic scale.
supinate. To turn the palm upward.
supinator. A muscle in the forearm that makes supination possible..
supraglottal. 1. Above or in front of the glottis 2. A phone or phoneme produced in front of the glottis.
supralapsarian. A Calvinist who believes that God's determination of the elect preceded Man's fall from grace and the fall itself.
supremo. The absolute, utter Top Dog. El Supremo.
sura. One of the chapters or sections of the Koran.
surah. Soft twilled fabric of silk or equivalent.
sural. Pertaining to the calf of the leg - (crural).
surcingle. A horse's girth, saddlegirth.
surculose. Producing suckers (on plants).
surd. 1. A sum containing roots 2. A voiceless sound in speech. (Ugh!)
surfer's knee. Tumor-like overgrowths of connective tissue just below the knees and on tops of the footsies, and sometimes on the toes.
suricate. S. African gregarious, burrowing mammal with a long tail
surrebutter. A plaintiff's reply to a defendant's rebuttal.
sursum corde. 1. Am ecclesiastical versicle offering praise and thanksgiving to God. 2. Something that instills courage or fervor - Lat.: "Lift up your hearts."
suspire. 1. To breathe. 2. To sigh.
sustentacular. Serving to support - Lat.: sustentare, (to support).
sutra. 1. Aphoristic doctrinal summaries produced between 500 and 200 B. C. and later incorporated into Hindu and Buddhist literature. 2. A scriptural narrative regarded as a discourse of the Buddha.
swage. 1. A tool used in bending or shaping cold metal. 2. A stamp for marking metal with a hammer. 3. A swage block. To bend or shape.
swagman. A man who seeks work while traveling about carrying his swag.
swarf. The fine metallic filings removed by a cutting tool.
swarm. To shinny up.
sweetbread. The thymus gland of a young animal.
sweetbrier. A European rose.
sweet clover. The mellilot (Old World).
sweet gale. A swamp shrub.
sweeting. 1. Sweet apple. 2. sweetheart.
swimmeret. Paired abdominal appendages of shrimp, lobsters, and isopods.
swimmer's itch. Caused by cercariae of certain schistosomes.
swingletree. A whiffletree.
syce. A stableman or groom, esp. in India.
sycee. Lumps of pure silver bearing the stamp of a banker or assayer and formerly used as money in China.
syconium. The fleshy multiple fruit of the fig.
sycosis. Chronic infection of the hair follicles - Gr.: sukosis, (ulcer resembling a fig).
syenite. Igneous rock of feldspar and other minerals - after Syene, ancient Egyptian city.
syllabub. A drink or gelatin dessert consisting of wine and sweetened milk.
syllepsis. He lost his coat and his temper - Gr.: sun, (together) + lepsus, (a taking).
sylph. 1. Elemental beings without souls that were believed to inhabit the air. 2. A slim graceful woman or girl.
sylphid. A young sylph.
sylvanite. Transylvanian gold and silver ore.
sylvatic. 1. Affecting wild animals. 2. Sylvan.
sylvite. Source of potassium compounds - Lat.: Silvii, (digestive salt of Sylvius).
sympathestomy. Removal of sympathetic nerves or ganglia.
sympathin. Resembles epinephrin. Thought to be formed in muscle by sympathetic nerve impulses.
sympatomimetic. Stimulates the sympathetic nervous system.
sympatric. Occupying the same or overlapping geographical areas without interbreeding.
symphysis. 1. Synarthrosis. 2. Coalescence of similar parts - Gr.: physis, (growth).
sympodium. A primary axis that develops from a series of short lateral branches and has a zigzag form - Gr.: podion, (base).
symposiarch. 1 A Greek symposium director. 2. A toastmaster.
synelepha. The blending into one syllable of two successive vowels of adjacent syllables, e. g., th' elite for the elite.
symposiac. Pertaining to a symposium.
synaptinemal complex. A ribbon-like structure consisting of three protein components that extends across the region of synapsing chromosomes in the first stage of meiosis - Gr.: synaptic + tema, (thread).
synarthrosis. Bones are rigidly joined without an intervening cavity.
syncarp. Fleshy fruit developing from several carpels.
synchondrosis. Synarthrosis in which the bone surfaces are connected by cartilage.
synchronic. 1. synchronous. 2. Descriptive. 3. Studying events of a particular time without consideration of historic data.
syncope. 1. Shortening a word by the omission of a sound, letter, or syllable from the middle of the word: bos'n for boatswain. 2. A swoon.
syncopation. A shift of accent in a musical passage that occurs when a normally weak beat is stressed.
syncretism. 1. Attempting to reconcile differing beliefs, as in religion or philosophy. 2. The fusion of two or more different inflectional forms.
syncytium. A mass of protoplasm with many nuclei but no clear cell boundaries.
syndactyl. Having two or more wholly or partially fused digits.
syndictive. Serving to connect, as a conjunction - ("speak together").
syndic. 1. A business agent. 2. A civil magistrate.
syndicalism. A radical political movement that advocates bringing industry and government under union rule by general strikes and sabotage.
synecdoche. A figure of speech in which a more inclusive term is substituted for a less inclusive term, or vice versa, e. g., head for cattle, law for policeman. - Gr.: syn, (with) + ekdekhesthai, (to understand).
synecology. The study of environmental relationships among communities of organisms.
synearesia. 1. The drawing together into one syllable of two consecutive vowels ordinarily pronounced together.. 2. Exudation of the liquid of a gel. syn, (together) + hairein, (to take).
synergid. One of two small cells lying near the egg in the mature embryo. of a seed plant - Gr.: synergos, (working together).
synesis. A construction in which a form differs in number but agrees in meaning with the word governing it: e. g., If anyone arrives, tell them to wait.
synesthesia. One type of stimulation evokes the sensation of another.
syngamy. The fusion of two gametes.
synizesis. 1. The contraction of two syllables into one by joining the pronunciation of two adjacent vowels. 2 The phase of meiosis in which the chromatin contracts into a mass at one side of the nucleus - Gr.: hizein, (to settle down).
synkaryon. The nucleus of a fertilized egg immediately after the male and female nuclei have fused - syn, (together, united) + karyon, (nucleus).
synoecious. Having male and female organs in the same structure.
synonymist. A student of synonyms.
synsepalous. Gamosepalous (separate sepals).
syntactics. The branch of semiotics that deals with the formal properties of signs and symbols.
syntropism. An ecological relationship in which organisms are mutually dependent upon each other for nourishment - Gr.: trope, (one turned toward).
syphilology. The sum of knowledge concerning syphilis.
Syriac. Syrian language from 300 A. D. to 1300 A. D. that survives in the liturgical language of several Eastern churches.
syringa. The mock orange - Gr.: syrinx, (shepherd's pipe).
syringomyelitis. A chronic spinal cord disease.
syrinx. The vocal organ of a bird - "A tweet from a sweet syrinx".
syrphid. Flies that look like wasps. - (chalcid) - Gr.: A non-motile male gamete (gnat)
syssarcosis. The union of bones, as the hyoid bone (the U-shaped bone at the base of the mouth) and the lower jaw, by muscle.
systalic. Alternately expanding and contracting, viz., the heart.
systole. The rhythmic contraction of the heart, esp., of the ventricles, by which blood is driven through the aorta and pulmonary artery after each dilation or diastole.
syzygy. 1. Either of two points where a celestial body is in opposition to or in conjunction with the sun. 2. Either of two points in the orbit of the moon where the moon lies in a straight line with earth and the sun. 3. The combining of two feet into a single metrical foot in classical prosody.